import store from '@/store'
import config from '@/config'
import {getToken} from '@/utils/token'
import errorCode from '@/utils/error_code'
import {showConfirm, tansParams, toast} from '@/utils/common'

let timeout = 10000
const baseUrl = config.baseUrl

const upload = config => {
    // 是否需要设置 token
    const isToken = (config.headers || {}).isToken === false
    config.header = config.header || {}
    if (getToken() && !isToken) {
        config.header['Authorization'] = 'Bearer ' + getToken()
    }
    // get请求映射params参数
    if (config.params) {
        let url = config.url + '?' + tansParams(config.params)
        url = url.slice(0, -1)
        config.url = url
    }
    return new Promise((resolve, reject) => {
        uni.uploadFile({
            timeout: config.timeout || timeout,
            url: baseUrl + config.url,
            filePath: config.filePath,
            name: config.name || 'file',
            header: config.header,
            formData: config.formData,
            success: (res) => {
                let result = JSON.parse(res.data)
                const code = result.code || 200
                const msg = errorCode[code] || result.msg || errorCode['default']
                if (code === 200) {
                    resolve(result)
                } else if (code == 401) {
                            showConfirm("登录状态已过期，您可以继续留在该页面，或者重新登录?").then(res => {
                        if (res.confirm) {
                            store.dispatch('LogOut').then(res => {
                                uni.reLaunch({url: '/pages/login/index'})
                            })
                        }
                    })
                    reject('无效的会话，或者会话已过期，请重新登录。')
                } else if (code === 500) {
                    toast(msg)
                    reject('500')
                } else if (code !== 200) {
                    toast(msg)
                    reject(code)
                }
            },
            fail: (error) => {
                let {message} = error
                if (message == 'Network Error') {
                    message = '后端接口连接异常'
                } else if (message.includes('timeout')) {
                    message = '系统接口请求超时'
                } else if (message.includes('Request failed with status code')) {
                    message = '系统接口' + message.substr(message.length - 3) + '异常'
                }
                toast(message)
                reject(error)
            }
        })
    })
}

export default upload
